Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

NA

46°F

8°C

Humidity 32%
Wind Speed S 5 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility 1.24 mi
Wind Chill44°F (7°C)
Last update 19 Mar 10:00 AM MDT
Extended Forecast for

4 Miles S Gibbonsville ID

  • Today

    Today: Sunny, with a high near 63. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. South wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Rain likely, mainly after noon.  Partly sunny, with a high near 53. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A slight chance of rain and snow before midnight.  Snow level 6600 feet lowering to 5600 feet after midnight . Mostly clear, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 63. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 41. Southwest wind 6 to 10 mph becoming south southeast after midnight. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 65. South wind 6 to 11 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 43. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Saturday
Rain likely, mainly after noon. Partly sunny, with a high near 53. Southwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Saturday Night
A slight chance of rain and snow before midnight. Snow level 6600 feet lowering to 5600 feet after midnight . Mostly clear, with a low around 31. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 55.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Partly sunny, with a high near 60.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A chance of rain. Snow level 7900 feet lowering to 6400 feet in the afternoon . Partly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Gibbonsville ID
 45.51°N 113.9°W (Elev. 5600 ft)
2:01 am MDT Mar 19, 2026
10am MDT Mar 19, 2026-6pm MDT Mar 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database